/[MITgcm]/MITgcm_contrib/gael/matlab_class/gcmfaces_IO/convert2gcmfaces.m
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Annotation of /MITgcm_contrib/gael/matlab_class/gcmfaces_IO/convert2gcmfaces.m

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Revision 1.4 - (hide annotations) (download)
Wed Nov 3 19:53:13 2010 UTC (14 years, 8 months ago) by gforget
Branch: MAIN
Changes since 1.3: +8 -5 lines
add gcmfaces_verbose switch

1 gforget 1.1 function [v1]=convert2gcmfaces(v0,varargin);
2    
3 gforget 1.3 global fileFormat;
4     if isempty(fileFormat);
5 gforget 1.4 global gcmfaces_verbose;
6     if gcmfaces_verbose;
7     fprintf('\nconvert2gcmfaces.m init: there are several supported file conventions. \n');
8     fprintf(' By default gcmfaces assumes MITgcm type binary formats as follows: \n')
9     fprintf(' (1 face) straight global format; (4 or 5 faces) compact global format\n');
10     fprintf(' (6 faces) cube format with one face after the other. \n');
11     fprintf(' If this is inadequate, you can change the format below.\n\n');
12     end;
13 gforget 1.3 if nargin==1; nFaces=5; else; nFaces=varargin{1}; end;
14     if nFaces==1; fileFormat='straight';
15     elseif nFaces==6; fileFormat='cube';
16     else; fileFormat='compact';
17     end;
18     end;
19    
20 gforget 1.1 aa=whos('v0'); doGcm2Faces=strcmp(aa.class,'double');
21    
22     if doGcm2Faces;
23    
24     if nargin==1; nFaces=5; else; nFaces=varargin{1}; end;
25    
26 gforget 1.3 [n1,n2,n3,n4]=size(v0);
27    
28     if strcmp(fileFormat,'straight');
29     v1={v0};
30     elseif strcmp(fileFormat,'cube');
31     for ii=1:6; v1{ii}=v0(n2*(ii-1)+[1:n2],:,:,:); end;
32     elseif strcmp(fileFormat,'compact');
33 gforget 1.1
34     nn=size(v0,1);
35     pp=size(v0,2)/nn;
36     mm=(pp+4-nFaces)/4*nn;
37    
38 gforget 1.2 v00=reshape(v0,[nn*nn*pp n3*n4]);
39     i0=1; i1=nn*mm; v1{1}=reshape(v00(i0:i1,:),[nn mm n3 n4]);
40     i0=i1+1; i1=i1+nn*mm; v1{2}=reshape(v00(i0:i1,:),[nn mm n3 n4]);
41     i0=i1+1; i1=i1+nn*nn; v1{3}=reshape(v00(i0:i1,:),[nn nn n3 n4]);
42     i0=i1+1; i1=i1+nn*mm; v1{4}=reshape(v00(i0:i1,:),[mm nn n3 n4]);
43     i0=i1+1; i1=i1+nn*mm; v1{5}=reshape(v00(i0:i1,:),[mm nn n3 n4]);
44     if nFaces==6;
45     i0=i1+1; i1=i1+nn*nn; v1{6}=reshape(v00(i0:i1,:),[nn nn n3 n4]);
46     end;
47 gforget 1.1
48     end;
49    
50     if nFaces==1; gridType='ll'; elseif nFaces==5; gridType='llc'; elseif nFaces==6; gridType='cube'; end;
51     v1=gcmfaces(v1,gridType);
52    
53     else;
54    
55     nFaces=get(v0,'nFaces');
56    
57 gforget 1.3 [n1,n2,n3,n4]=size(v0{1});
58    
59     if strcmp(fileFormat,'straight');
60     v1=v0{1};
61     elseif strcmp(fileFormat,'cube');
62     v1=zeros(n2*6,n2,n3,n4);
63     for ii=1:6; v1([1:n2]+(ii-1)*n2,:,:,:)=v0{ii}; end;
64     elseif strcmp(fileFormat,'compact');
65 gforget 1.1
66     v0_faces=v0; clear v0;
67     for iFace=1:nFaces; eval(['v0{iFace}=get(v0_faces,''f' num2str(iFace) ''');']); end;
68    
69     nn=size(v0{1},1); mm=size(v0{1},2);
70     pp=mm/nn*4+nFaces-4;
71    
72     n3=size(v0{1},3); n4=size(v0{1},4);
73     v1=NaN*zeros(nn,nn*pp,n3,n4);
74    
75 gforget 1.2 v11=NaN*zeros(nn*nn*pp,n3*n4);
76    
77     i0=1; i1=nn*mm; tmp1=reshape(v0{1},[nn*mm n3*n4]); v11(i0:i1,:)=tmp1(:,:);
78     i0=i1+1; i1=i1+nn*mm; tmp1=reshape(v0{2},[nn*mm n3*n4]); v11(i0:i1,:)=tmp1(:,:);
79     i0=i1+1; i1=i1+nn*nn; tmp1=reshape(v0{3},[nn*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);
80     i0=i1+1; i1=i1+nn*mm; tmp1=reshape(v0{4},[mm*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);
81     i0=i1+1; i1=i1+nn*mm; tmp1=reshape(v0{5},[mm*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);
82     if nFaces==6;
83     i0=i1+1; i1=i1+nn*nn; tmp1=reshape(v0{6},[nn*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);
84     end;
85 gforget 1.1
86 gforget 1.2 v1=reshape(v11,[nn nn*pp n3 n4]);
87 gforget 1.1
88     end;
89    
90     end;
91    
92    

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